48V 8.4ah Molicel P42A eBike Battery - 

Bicycle Motor Works Premium 48V eBike Battery Collection

Made in the U.S.A. | Genuine Certified 21700 Cells | High-Performance Power for All-Weather Riders

Upgrade your ride with premium American-made eBike batteries from Bicycle Motor Works — designed for riders who demand performance, reliability, and safety.

Every pack is hand-built in the USA using Grade-A certified 21700 lithium-ion cells and engineered to deliver powerful, efficient performance for daily commuting, off-road adventures, and all-weather conditions.

Perfect for replacement or upgrades, our 48V packs offer the ultimate combination of lightweight design, high output, and long lifespan.

⚡ Key Features

• Premium 48V eBike Battery Collection – built in the U.S.A. for performance & durability

• Replacement eBike Batteries (customization consulting available)

• Grade-A 21700 Cells – consistent power, longer life, and higher safety

• Compact, lightweight design (under 5 lbs!) for better balance and portability

• Engineered for efficiency with superior heat dissipation and protection

• 45A continuous / 100A max BMS – with temperature and short-circuit protection

• XT-90S (no-spark) discharge connector and XT-60 charge lead

• 400–1000 charge cycles lifespan

• Dedicated customer service and technical support always available

🔋 COMPARE & SHOP MODEL OPTIONS!

Cell & Capacity Options (48V 8Ah–10Ah)

📏 Technical Specifications

• Size: 4" × 6.5" × 3"

• Configuration: 13s2p – 26 Genuine Grade-A 21700 cells

• Continuous Discharge: 45A (100A max)

• Connectors: XT-90S (no spark) discharge / XT-60 charge lead

• Temperature Protection: Built-in thermal safety monitoring

• Cycle Life: 400–1000 full charges

• Construction: Solid nickel and copper welded connections for high conductivity

Our tight-frame design minimizes empty air space, improving heat dissipation and longevity. Each cell and series is individually tested prior to assembly. The integrated Battery Management System (BMS) prevents over-charging, over-discharging, and automatically balances cells for maximum efficiency and safety.

⚠️ Safety Information

Important: Lithium-ion batteries must be charged and handled responsibly.
Always use the correct lithium-ion charger and follow all safety guidelines.

Do Not:

• Leave the battery charging unattended

• Short-circuit, puncture, or expose to moisture

• Modify wiring, connectors, or housing

• Continue using a damaged or wet pack

If damaged, contact your local hazardous waste disposal facility for proper disposal. Always charge your battery in a fire-safe area such as a metal enclosure or non-flammable container.

Failure to follow proper charging and safety procedures may cause fire, injury, or property damage.

🏆 Why Choose Bicycle Motor Works

• Over 10 years of trusted U.S. eBike battery craftsmanship

• Custom consulting available for replacement or performance upgrades

• Built with premium cells, tested components, and safety-first engineering

• Backed by full customer support and a commitment to rider confidence

Experience the difference of American-made, high-performance eBike batteries.
Bicycle Motor Works — Reliable Power. Built for Riders.